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    Vacuum insulators (ceramic break) consist of special ceramics which, thanks to their extreme mechanical strength and negligible electrical conductivity, offer a ready protection against voltage surges. LAPP Insulators Alumina produces such insulators from aluminium oxide, which is capable of maintaining its insulation strength even under the toughest conditions and voltage peaks. The entire design from the initial concept through to the final manufacturing process is carried out against the backdrop of your specific requirements and concepts. Our 

development engineers work closely to your operating conditions and application in designing the component’s size, surface area and construction. As creepage paths and clearances critically influence the insulating properties of the ceramic isolation components, we pay particular attention to maximising creepage current stability. Here the ideal properties of ceramics in such composite assemblies are vividly demonstrated. The use of aluminium oxide also strongly influences the mechanical strength of the component. Our high quality precision vacuum insulation tubes have already won over numerous customers with exacting application concepts.

    Together with our customers, we have been using the FEM method in the development of vacuum insulation tubes since 2013 to provide concrete and reliable forecasts on the behaviour of  planned components. Key issues include the interaction of the individual components as a composite, the stress profile or the technical characteristics of the ceramic. The material data enables detailed design of prototypes, saving on multiple test series. Particularly for our vacuum insulators, this means reduced development times and cost savings; and overall a reduced time-to-market for your new product. Our corporate research and development centre,” LIKE,” has a wealth of know-how and technical expertise, available for us to draw on in the design of your particular component. That’s why globally, LAPP Insulators Alumina is among the leading manufacturers of high-end, certified vacuum insulators for extreme conditions.

    LAPP Insulators Alumina offers a standard program of vacuum insulators (ceramic break). These are available in three variants, featuring a weldable adapter in a Nickel Iron alloy, or with a stainless steel flange in ISO format (KF small flange) or Conflat (CF flange) designs. Parts with non-standard lengths and diameters not listed can be quoted on enquiry. Any standard program vacuum insulator can be supplied within three weeks and in quantities from one unit upwards.